Wheel.



PATENTED MAR. 22, 1904 T. D. STAGG.

WHEEL.

APPLICATION FILED SEPT. a, 1903.

N0 MODEL.

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No. 755,069. .PATENTED MAR. 22, 1904 T. D. STAGG.

WHEEL.

APPLIUATIOH FILED .SEPT. a, 1903. I no MODEL. 3 sums-mum z.

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T. 1). STAGG.

WHEEL.

APPLIUATION FILED SEPT 8, 1903.

NOMODEL.

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' B O Q PATENTED MAR. 22, 1904.

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wriizmu' Ell! UNITED. STATES- Patented March-22, 1904.

PATENT OFFICE.

WHEEL.

SPECIFICATION forming part of Letters Patent No. 755,069, dated March22, 1904.

Application filed September 8, 1903. Serial No. 172,302. (No model.)

To all whom it may concern:

Be it known that I, THOMAS DANIEL STAGG, a subject of the King of GreatBritain, residing at Hillfield House, Selby, in the county of York,England, have invented new and useful Improvements in Wheels forVehicles, Driving-Pulleys, and the Like, of which the following is aspecification.

My invention has reference to wheels for vehicles, built-updriving-pulleys, and the like; and my object is to so construct suchwheels or pulleys, as the case may be, that wooden spokes when fittedinto the felly and the nave are perfectly secure, and in the event ofany one or more of them becoming loose or slack they can be nipped uptight and the whole made secure again, and wheels and pulleys can bebuilt up which have equally as much elasticity as but are stronger andmore durable than existing wooden wheels and built-up pulleys and whichcan at the same time be repaired with ease .and despatch. I attain theseobjects by constructing wheels and pulleys as illustrated in theaccompanying drawings, in which- Figure 1 represents a side elevation ofa vehicle-wheel constructed according to my invention. Fig. 2 representsa centralcrosssection through the same. Fig. 3 represents a front viewof the nave, showing the pockets and some of the spokes in position,part of the cap being broken away to more clearly show same. Fig. 4represents a' front View of the part of the nave upon which the pockets.

are formed. Fig. 5 is a plan viewof the same. Fig. 6 represents part ofthe nave in crosssection, showing one of the dividing-walls withdovetailed capping "or'top. Fig. '7 represents a front view of .the-part of the nave upon which the walls are formed and shows each wallprovided with a wedge-shaped rib and is particularly for use when it isdesired to fit two spokes into one pocket or to make the spokes wider.Fig. 8 is a plan view of same. Fig. 9 is a similar view to Fig. 3, butshows the dividing-walls provided with wedge-shaped ribs. Fig. 10, whichis drawn toa larger scale than the previous views, represents incross-section part of a nave, consisting of two parts, each providedwith pockets to take a set of spokes, the two parts when placed togethertaking two sets of spokes, one set being fitted alternatively to theother. Fig. 11 is aplan view of a nave built up of two flanges, asdescribed with reference to Fig. 10.

For the purpose of my invention I employ a metal nave A, having a seriesof inclined or tapered pockets B, formed by means of dividing-walls C,running from the circumference to the internal part D, which forms thebush of such nave. These taperedor inclined pockets receive the bottomends of the various spokes E, whichare tapered and so shaped as to fitthe said pockets, thedividing-walls of such pockets being'wedge-shaped'laterally and being preferably provided with awedgeshaped, dovetailed, splayed, or similarlyshaped top or capping F.The bottom surface or base of each pocket or recess is also wedge-shapedor inclined, so that the whole internal partof each pocket is narroweddown in a backward directionthat is, from the face or front edges of thedividing-walls and the central bush D the space is decreased in abackward direction toward the plate upon which the dividing-walls areformedso that the back part of each pocket is smaller than is the frontor open part.

The nave, as shown at Figs. Land 5, is so constructed that there is aseparate pocket for each spoke; but, if desired, it may be soconstructed that each pocket may receive two or more spokes, as shown atFigs. 7 and 8, and

in suchcases each dividing-wall (J is provided with across-rib Gr, whichis also wedge-shaped laterally, and such dividing-walls may also havethe dovetailed or splayed top or capping in addition or not; asdesired.-

One side of the nave is removable and forms a loose cap H to allow ofthe spokes being fitted and removed, and the two partsof such nave aresecured together by means of bolts J or the like.

The nave may be built up of two plates A A, each having a series ofpockets, as shown at Figs. 1O andll, and such plates may be placedtogether so that the dividing -,walls which form the pockets on oneplate face those on the other 'plate, in which case the twohalves whenplaced together would form the complete pockets, one-half of each pocketbeing on each plate, or such plates may be placed together in such aposition that the walls of the pockets on one plate face the spaces orpockets on the other plate, thereby forming two series of pockets, whichwould take a double series of spokes, the spokes in the pockets on oneplate partly overlapping the spokes in the pockets on the other plate.

When the nave is constructed as above described, no loose cap isnecessary, the two parts or plates forming the complete nave, the outerplate constituting the cap. The spokes E have their bottom ends cut orshaped to correspond to the shape of the pockets, the dovetailed orsplayed capping F of each dividing-wall bearing on the shoulder of thebottom part of the spokes, so preventing them working upward, and whenribs Gare employed they effect the same purpose, each spoke havingnotches cut in it to receive the rib.

The felly K of the wheel may be provided with a rim or rims L, which hasor have pock ets M formed on it or them, the said rim being secured tothe felly by means of bolts N or the like. The pockets M in the rim areso formed that they bear on the outer surface of the ends of the spokesE; but such spokes may be cut away at thesides up to or nearly up to thetang O, and the pockets have inturned parts P, against which therecessed parts of the spokes may bed, as shown at Fig. 2.

The rim is preferably in two pieces, as shown at Fig. 1, nipped up whenplaced in position by means of bolts Q or the like.

The width of the bottom ends of the spokes is slightly wider than thewidth of the pockets from front to back, as shown in dotted lines atFig. 6, so that the wood cannot shrink so much that the spokes cannot benipped up or that they become so small as to only fit loosely in thepockets.

Strips of rubber or the like may be employed as packing for the spokes,so preventing moisture entering the pockets.

With naves constructed as above described and spokes having their endsso shaped as to fit the pockets in the nave and to project slightlyoutside, as before described, the foot of each spoke is held absolutelysecure, and

to however great an extent the wood shrinks it cannot in any way affectthe stability of the wheel, as the slack can always be taken up, and inaddition the general construction of the wheel is so extremely simplethat it is capable of being easily repaired, and not only spokes butparts of fellies can be put in wheels constructed according to myinvention Without disturbing the tire.

Although I have only described and illustrated my invention in itsapplication to vehicle-wheels, it will be clear that its application tobuilt-up driving-pulleys is substantially the same.

What I claim as my invention, and desire to secure by Letters Patent, is

1. In a wheel, the combination, with a hub provided with spoke-socketswhich are open in front and which are wider at the front than at theback and which have also inclined bottoms, of spokes having end portionswhich normally fit against the inclined sides and bottoms of the saidpockets, and means for setting up the said spokes as their said endportions shrink and become loose in the said pockets.

2. In a wheel, the combination, with a hub provided with spoke-socketswhich are open in front and which are wider at the front than at theback and which have also inclined bottoms, of spokes having end portionswhich normally fit against the inclined sides and bottoms of the saidpockets, means for setting up the said spokes as their said end portionsshrink and become loose in the said pockets, and means for preventingthe said spokes from sliding longitudinally of the said pockets whenbeing set up.

3. In awheel, the combination, with a felly, of a rim formed of twotrough-shaped parts which inclose the inner periphery of the felly,fastening devices securing together the ends of the said parts of therim, and spokes having tangs which engage with pockets in the said rimand felly.

In testimony whereof I afl ix my signature in the presence of twowitnesses.

THOMAS DANIEL STAGG.

Witnesses:

FRANCIS HERBERT DAWNAY, GEOFFREY NICOLAS DAWNAY.

